Very unlikely to be Airbus - insurance companies really frown on having someone other than an employee of the insured company flying the insured aircraft. If something does go wrong the lawyers would have a field day (used to run into that when Boeing wanted to do a remote flight test on a customer aircraft - getting the insurance straightened out was usually the biggest stumbling block since we needed a Boeing flight test pilot to fly the test).
They may well have one or more Airbus people ride along as 'consultants' though.